What was the procedure during the first successful vaccination?

2 answers:

4 0

The smallpox vaccine, introduced by Edward Jenner in 1796, was the first successful vaccine to be developed. He observed that milkmaids who previously had caught cowpox did not catch smallpox and showed that inoculated vaccinia protected against inoculated variola virus

Mekhanik [1.2K]3 years ago

4 0

Sheeeeeeeesssshhhhhhhhh

You might be interested in

(WILL MARK BRAINLIEST and 25pts) Which layer of the sun contains jets of rapidly moving gas called spicules?

Evgesh-ka [11]

Answer: D Chromosphere

Explanation:

The Chromosphere is a pink color, Second of the three main layers and is roughly about 3,000-5,000 KM deep

4 0

3 years ago

Read 2 more answers

DNA and Rna are macromolecules made up of what?

docker41 [41]

Answer:

Nucleotides

Explanation:

"These macromolecules consist of a large number of linked nucleotides, each composed of a sugar, a phosphate, and a base."

Hope this helps:

<em>DNA, RNA, and the Flow of Genetic Information</em>

https://www.ncbi.nlm.nih.gov/books/NBK21171/

3 0

3 years ago

Read 2 more answers

¿Para qué se reproducen los seres vivos?

inessss [21]

Nut bien. Owns sho Mina

8 0

3 years ago

CONCLUSIONS: What results would you expect from a Sudan III test of olive oil?

ozzi

Answer:

Lab results: The oil will stain red with Sudan III dye since it is a lipid and contains triglycerides. However, since the oil is less dense than water and insoluble in water, the oil will form a layer or globules above the water and appear as a red layer above the water in the test tube

8 0

3 years ago

According to the endosymbiotic theory of the origin of eukaryotic cells, how did mitochondria originate?

olga_2 [115]

Answer:

e) from engulfed, originally free-living proteobacteria

Explanation:

The bacterium was captured by a eukaryotic cell and then the cell evolved into the mitochondria we know today!

8 0

3 years ago